| Table of contents Investig. adm. vol.31 n.91 Ciudad de México Jul./Nov. 2002 Articles | | | | · Method to identify problems of a system León Vega, Cirilo Gabino; Acevedo Mosqueda, María Elena
| | | | · Quality challenges in basic education Álvarez García, Isaías
| | | | · Terrorism Peña Cruz, Ma. del Pilar
| | | | · A non-directive class as a model of genetic engineering Salazar Luna, María Engracia; Solano Vázquez, Ignacio T.
| | | | · Reusable model to decide on marketing strategies for materials of processing Quiroz Aguilar, Francisco; Ley Borrás, Roberto
| | | | · Study of graduates of Graduate and Postgraduate courses. Tom, first results Garduño Román, Susana Asela; Castro Moreno, Marisela
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